NEET Physics: Electromagnetic Induction — MCQ Test 22

Q6. A wheel with 7 spokes of 0.45 m each rotates at 36 rpm in a 0.6 T field. What is the induced emf?

Q7. A coil of 130 turns and area 0.03 m² is rotated at 30 Hz in a 0.08 T field. What is the maximum emf?

Q8. A coil of 230 turns rotates at 85 rad/s in a 0.03 T field. If the area is 0.02 m², what is the maximum emf?

Q9. A coil of 170 turns and area 0.07 m² is in a field that decreases from 0.1 T to 0 in 0.5 s. What is the induced emf?

Q10. A solenoid of 500 turns per meter and area 0.01 m² has a current change from 3 A to 0 A in 0.5 s. What is the self-induced emf? (\( \mu_0 = 4\pi \times 10^{-7} \, \text{H/m} \))

NEET Physics — Electromagnetic Induction

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A coil of 70 turns experiences a magnetic flux change from 0 to 0.02 Wb in 0.04 s. What is the induced emf?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Electromagnetic Induction. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Experiences, Magnetic, Circular, Deformed, Straight, and Inductance.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. A coil of 70 turns experiences a magnetic flux change from 0 to 0.02 Wb in 0.04 s. What is the induced emf?

  • A. 35 V
  • B. 40 V
  • C. 45 V
  • D. 50 V

Q2. A circular loop of radius 12 cm is deformed into a straight wire in a 0.2 T field in 0.5 s. What is the induced emf?

  • A. 0.01 V
  • B. 0.018 V
  • C. 0.02 V
  • D. 0.025 V

Q3. A coil of self-inductance 1.0 H has its current decreased from 5 A to 2 A in 0.15 s. What is the magnitude of the induced emf?

  • A. 15 V
  • B. 20 V
  • C. 25 V
  • D. 30 V

Q4. A solenoid’s current is switched off suddenly. What causes sensitive instruments nearby to be at risk of damage?

  • A. Electrostatic discharge
  • B. Magnetic field saturation
  • C. High induced emf
  • D. Thermal expansion

Q5. A square loop of side 20 cm rotates at 20 rad/s in a 0.15 T field. What is the maximum emf induced?

  • A. 0.1 V
  • B. 0.12 V
  • C. 0.14 V
  • D. 0.16 V

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